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My understanding is that if lithium-ion batteries freeze, they're destroyed with no hope of recovery. </div>
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Like Jay said, I'd call the battery manufacturer and ask them. Let us know what they say.</div>
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Thanks,</div>
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Will</div>
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<div id="divRplyFwdMsg" dir="ltr"><font face="Calibri, sans-serif" color="#000000" style="font-size:11pt"><b>From:</b> RE-wrenches <re-wrenches-bounces@lists.re-wrenches.org> on behalf of Kevin Pegg via RE-wrenches <re-wrenches@lists.re-wrenches.org><br>
<b>Sent:</b> Friday, November 22, 2024 12:54 PM<br>
<b>To:</b> re-wrenches@lists.re-wrenches.org <re-wrenches@lists.re-wrenches.org><br>
<b>Cc:</b> Kevin Pegg <kpegg@energyalternatives.ca><br>
<b>Subject:</b> [EXTERNAL] [RE-wrenches] Frozen LPF batteries - damaged or salvageable?</font>
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<p><span style="background-color:#ffd480"><strong><span style="color:#cc3300; font-size:10pt">CAUTION:</span></strong><span style="color:black; font-size:10pt"> This email originated from outside of the organization. Do not click links or open attachments unless
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<p class="x_MsoNormal">Hi Wrenches, </p>
<p class="x_MsoNormal"> </p>
<p class="x_MsoNormal">I’ve been asked to take on a project that was abandoned for 16 months. It has 3 stacks of 400Ah 51.2V Lithium batteries (gsl-energy) tied to a Sol-Ark. It was running at one point spring of 2023 with generator charging but has been offline
dark for over a year. PV is still in crates. </p>
<p class="x_MsoNormal"> </p>
<p class="x_MsoNormal">The batteries sat in an unheated unfinished building winter 23/24 and it would have got down to -40C (-40F) for weeks during winter cold snaps. The BMS did not power on, did not spend time troubleshooting during the initial assessment
as I wanted to learn more. </p>
<p class="x_MsoNormal"> </p>
<p class="x_MsoNormal">The battery specs say storage no colder than 0c (32F) and operation no colder than -20c (-4F).
</p>
<p class="x_MsoNormal"> </p>
<p class="x_MsoNormal">What I am trying to determine is if those batteries are salvageable, or damaged and if we should just replace them with new. I am also tempted to replace the sol-ark, haven’t worked with that brand before but am not impressed with what
I have heard from other people’s experiences. </p>
<p class="x_MsoNormal"> </p>
<p class="x_MsoNormal"><span style="">Kevin Pegg</span></p>
<p class="x_MsoNormal"><span style="">EA Energy Alternatives Ltd. </span></p>
<p class="x_MsoNormal"><span style="">37471 Hwy 16 E </span></p>
<p class="x_MsoNormal"><span style="">Telkwa, BC V0J 2X2</span></p>
<p class="x_MsoNormal"> </p>
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